Oh man stands on his balcony 120 feet above the ground he looks at the ground this site line forming a angle of 50° with the building and sees a bus stop the function d = 120 sec models the distance from the man to any object given his angle of sight 0. how far is the bus stop from the man.

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.